# 21 **Published by:** [chen](https://paragraph.com/@chen-11/) **Published on:** 2022-11-21 **URL:** https://paragraph.com/@chen-11/21 ## Content 11 ## Publication Information - [chen](https://paragraph.com/@chen-11/): Publication homepage - [All Posts](https://paragraph.com/@chen-11/): More posts from this publication - [RSS Feed](https://api.paragraph.com/blogs/rss/@chen-11): Subscribe to updates